Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Em qual distrito está o titular Carl W. Rich?
 ###Tabelas: CREATE TABLE kansas_city_comets (kansas_city_comets_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Division VARCHAR, League VARCHAR, Reg. Season VARCHAR, Playoffs VARCHAR, Avg. Attendance INT) CREATE TABLE the_full_chart (the_full_chart_id AUTO_INCREMENT PRIMARY KEY, Finish Position VARCHAR, Lengths Behind VARCHAR, Post Position INT, Horse name VARCHAR, Trainer VARCHAR, Jockey VARCHAR, Owner VARCHAR, Post Time Odds VARCHAR) CREATE TABLE tv_ratings (tv_ratings_id AUTO_INCREMENT PRIMARY KEY, Order VARCHAR, Episode VARCHAR, Rating INT, Share INT, Rating/share (18–49) VARCHAR, Viewers (millions) INT, Rank (Night) INT, Rank (Timeslot) INT, Rank (Week) INT) CREATE TABLE minority_democratic_leadership (minority_democratic_leadership_id AUTO_INCREMENT PRIMARY KEY, State ranked in partisan order VARCHAR, Percentage Republicans VARCHAR, Percentage Democrats VARCHAR, Republican/ Democratic VARCHAR, Republican seat plurality VARCHAR) CREATE TABLE  (_id AUTO_INCREMENT PRIMARY KEY, District VARCHAR, Incumbent VARCHAR, Party VARCHAR, First elected INT, Result VARCHAR, Candidates VARCHAR)  
SELECT District FROM  WHERE Incumbent = Carl W. Rich